[3.12] gh-105144: Runtime-checkable protocols: move all 'sanity checks' to _ProtocolMeta.__subclasscheck__
(GH-105152)#105160
Merged
JelleZijlstra merged 1 commit intopython:3.12from May 31, 2023
_ProtocolMeta.__subclasscheck__
(GH-105152)#105160